413611561 has 8 divisors (see below), whose sum is σ = 451411200. Its totient is φ = 375845040.

The previous prime is 413611529. The next prime is 413611571. The reversal of 413611561 is 165116314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 413611561 - 2⁵ = 413611529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413611501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22995 + ... + 36823.

It is an arithmetic number, because the mean of its divisors is an integer number (56426400).

Almost surely, 2^413611561 is an apocalyptic number.

It is an amenable number.

413611561 is a deficient number, since it is larger than the sum of its proper divisors (37799639).

413611561 is a wasteful number, since it uses less digits than its factorization.

413611561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16559.

The product of its digits is 2160, while the sum is 28.

The square root of 413611561 is about 20337.4423416515. The cubic root of 413611561 is about 745.0708225091.

Adding to 413611561 its reverse (165116314), we get a palindrome (578727875).

The spelling of 413611561 in words is "four hundred thirteen million, six hundred eleven thousand, five hundred sixty-one".